Division/Phylum: Heterokontophyta/Ochrophyta

Note: for strains where we have DNA barcodes we can be reasonably confident of identity, however for those not yet sequenced we rely on morphology and the original identification, usually made by the depositor. Although CCAP makes every effort to ensure the correct taxonomic identity of strains, we cannot guarantee that a strain is correctly identified at the species, genus or class levels. On this basis users are responsible for confirming the identity of the strain(s) they receive from us on arrival before starting experiments.
For strain taxonomy we generally use AlgaeBase for algae and Adl et al. (2019) for protists.

Culture media, purity and growth conditions:
Medium: f/2 + Si; Bacteria present; maintained by serial subculture; 8-10 deg C; pH 8.8; 12h:12h light:dark cycle
Attributes
AuthorityKühn, Hargraves & Halliger in Kühn et al. 2006
IsolatorHamsher (2010)
Collection SitePlankton vertical haul tow Bay of Fundy, Canada
Notes The characteristic way in which diatoms reproduce asexually results in the reduction in size of diatom cells at every division and the subsequent loss of morphological characters. This strain is slightly deformed, see images 3 and 4.
Axenicity Status Bacteria present
Area North America
Country Canada
Environment Marine
GMO No
Group Diatom
Original Designation P31C6
Pathogen Not pathogenic: Hazard Class 1
Strain Maintenance Sheet SM_MarineDiatoms8.pdf
Toxin Producer Not Toxic / No Data
Type Culture No
Taxonomy WoRMS ID 345485

CCAP 1047/2

Mediopyxis helysia


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